CN112026830A

CN112026830A - Railway vehicle bogie frame, bogie and railway vehicle

Info

Publication number: CN112026830A
Application number: CN202010949141.3A
Authority: CN
Inventors: 王石; 周业明; 闫转芳; 赵伟; 张雪平
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2020-12-04
Anticipated expiration: 2040-09-10
Also published as: CN112026830B

Abstract

The invention relates to the field of railway vehicles, and provides a railway vehicle bogie frame, a bogie and a railway vehicle. The framework comprises a pair of side beams, a pair of cross beams connected between the side beams, two pairs of traction rubber pile mounting seats, a pair of hoisting bosses and a pair of longitudinal auxiliary beams; each pair of traction rubber pile installation seats are arranged on a pair of cross beams in a one-to-one correspondence mode, each lifting boss is arranged on each cross beam and extends towards the direction of the other cross beam, the position between the two traction rubber pile installation seats is located on each cross beam, a pair of longitudinal auxiliary beams are arranged between the pair of cross beams and are fixedly connected with the inner sides of the side beams on the corresponding sides, the longitudinal two ends of each longitudinal auxiliary beam are communicated with the connected cross beams, and the opposite sides of the pair of longitudinal auxiliary beams are fixedly connected with transverse stop seats respectively. The invention can adapt to the special operation environment requirement that the line is a narrow-gauge line and has no power operation condition.

Description

Railway vehicle bogie frame, bogie and railway vehicle

Technical Field

The invention relates to the technical field of railway vehicles, in particular to a railway vehicle bogie frame, a bogie and a railway vehicle.

Background

For some countries or regions, the line is a narrow-gauge line and has no power operation condition, and a brand new bogie frame of the diesel multiple unit train needs to be designed to adapt to the special operation environment requirement.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a railway vehicle bogie frame which can meet the special operation environment requirements that the line is a narrow-gauge line and no power operation condition exists.

The invention further provides the bogie.

The invention further provides the railway vehicle.

According to the embodiment of the first aspect of the invention, the railway vehicle bogie frame comprises a pair of side beams, a pair of cross beams connected between the side beams, two pairs of traction rubber pile mounting seats, a pair of hoisting bosses and a pair of longitudinal auxiliary beams; every to pull the rubber and pile the mount pad one-to-one and locate a pair of on the crossbeam, every lift by crane the boss and locate every on the crossbeam be located two pull the position between the rubber and pile the mount pad and extend towards another crossbeam place direction, a pair of vertical auxiliary beam is located a pair of between the crossbeam and with the corresponding side the curb girder inboard all fixed connection, every vertical both ends of vertical auxiliary beam all with continuous the crossbeam intercommunication, a pair of the opposite side of vertical auxiliary beam is the rigid coupling respectively has horizontal backstop seat.

According to one embodiment of the invention, the gearbox comprises a pair of gearbox thrust reverser mounts mounted on opposite sides of a pair of said cross beams, the pair of gearbox thrust reverser mounts being positioned opposite one another.

According to one embodiment of the invention, each gearbox reverse push rod mounting seat comprises a pair of seat bodies arranged at intervals, one end of each seat body is in matched connection with the cross beam, and the upper surfaces of the other ends of the seat bodies are respectively provided with a V-shaped groove.

According to one embodiment of the invention, the outer side faces of the two ends of each side beam are respectively provided with a sand box mounting seat.

According to one embodiment of the invention, the end face of each traction rubber pile mounting seat for mounting the traction rubber pile is configured with a groove matched with the shape and size of the end face of the traction rubber pile, and the bottom of the groove is configured with a central hole.

A railway vehicle bogie according to an embodiment of the second aspect of the invention comprises a frame, the frame being adapted to the railway vehicle bogie frame, and further comprising a central traction device mounted on the frame; the central traction device comprises a traction beam assembly, a central pin assembly and a traction rubber pile; the traction beam assembly comprises a traction beam, two transverse stopping installation parts, two longitudinal stopping parts, two vertical stopping parts and two traction rubber pile installation parts, wherein the two transverse stopping installation parts are correspondingly installed at two ends of the traction beam extending along the length direction and used for installing transverse stopping parts, and a pair of transverse stopping parts are located between a pair of transverse stopping seats; the two longitudinal stopping parts are correspondingly arranged on two sides of the traction beam along the thickness direction, the two longitudinal stopping parts are respectively positioned above the lifting lug bosses on the corresponding sides, and a gap is reserved between the two longitudinal stopping parts; the two vertical stopping parts are correspondingly arranged at two sides of the traction beam along the thickness direction, and each vertical stopping part is correspondingly arranged below each longitudinal stopping part and used for installing a vertical stopping part; the two traction rubber pile mounting parts are respectively arranged on the traction beam between the central hole of the traction beam and the transverse stopping mounting part, the traction rubber piles are mounted on two opposite sides of each traction rubber pile mounting part, and one end, facing the cross beam, of each traction rubber pile is connected with the traction rubber pile mounting seat;

a central pin bush is pressed in a central hole of the traction beam;

the center pin assembly comprises a center pin and a center pin seat, wherein the center pin is press-mounted in a center hole of the center pin seat, extends into the center pin sleeve and is fixedly connected with the center pin sleeve.

According to one embodiment of the invention, the draft sill assembly further comprises a center pin bush mounting cylinder arranged in a center hole of the draft sill, the center pin bush mounting cylinder penetrates through two side faces of the draft sill in the height direction, the axial direction of the center pin bush mounting cylinder is perpendicular to the length extension direction of the draft sill, and the center pin bush is fixedly connected in the center pin bush mounting cylinder;

two horizontal backstop installation department symmetry set up in the relative both sides of a central round pin bush installation section of thick bamboo, two vertical backstop portion symmetry set up in the relative both sides of a central round pin bush installation section of thick bamboo.

According to one embodiment of the invention, the traction beam is respectively provided with rectangular mounting grooves corresponding to the traction rubber piles one by one at two opposite sides corresponding to each traction rubber pile mounting part; the traction rubber pile mounting part comprises a traction rubber pile mounting plate arranged in the rectangular mounting groove, a traction rubber pile mounting hole is formed in the center of the traction rubber pile mounting plate, and the traction rubber pile mounting hole penetrates through the traction rubber pile mounting plate; each corner of the rectangular mounting groove is respectively provided with a round chamfer;

the lower side surface of the traction beam is provided with a transverse shock absorber mounting seat for mounting a transverse shock absorber, and the transverse shock absorber mounting seat is arranged below one traction rubber pile mounting part; and a transverse shock absorber connecting seat is constructed below the side beam close to the transverse shock absorber mounting seat, one end of the transverse shock absorber is connected with the transverse shock absorber mounting seat, and the other end of the transverse shock absorber is connected with the transverse shock absorber connecting seat.

According to one embodiment of the present invention, the center pin includes:

the center pin comprises a center pin body, wherein a section of mounting boss is formed at one axial end of the center pin body, a stop boss is formed at the periphery of the connecting part of the mounting boss and the center pin body, a conical table is formed at the other axial end of the center pin body, the large end of the conical table is matched and connected with the center pin body, and the small end of the conical table extends towards the direction far away from the center pin body;

the hoisting bolt hole penetrates through the mounting boss, the stopping boss, the center pin body and the conical table in the axial direction;

the mounting boss is provided with a sleeve mounting hole extending along the axial direction, the sleeve mounting hole is coaxial and communicated with the hoisting bolt hole, and the aperture of the sleeve mounting hole is larger than that of the hoisting bolt hole.

According to one embodiment of the invention, the outer end face of the mounting boss is provided with a pair of positioning holes symmetrically about the axis of the mounting boss; a pair of open grooves which are oppositely arranged are formed in the periphery of the small end of the conical table, and the open grooves are communicated with the small end;

the mounting boss, the stopping boss, the center pin body and the conical table are integrally forged and formed;

the mounting boss is a cylindrical boss, the center pin body is a cylindrical shaft, and the conical table is in smooth transition connection with the cylindrical shaft;

the lifting bolt is characterized by further comprising a lifting device, the lifting device comprises a lifting bolt, a positioning sleeve and a gland, threads are arranged at the lower end of the lifting bolt, threaded holes are formed in the gland, the gland is installed at the lower end of the center pin sleeve, the positioning sleeve is installed in the sleeve installation hole, the lifting bolt penetrates through the lifting bolt hole of the center pin from top to bottom and is in threaded fit connection with the gland, and the upper end of the lifting bolt penetrates through the positioning sleeve and is connected with the positioning sleeve through a connecting piece.

According to a third aspect of the invention, a railway vehicle is provided with the railway vehicle bogie frame or the bogie.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of a railway vehicle truck frame according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a flask mounting device of a bogie frame of a railway vehicle according to an embodiment of the invention;

FIG. 3 is an isometric illustration of a trailing beam in a railway car truck according to an embodiment of the present invention;

FIG. 4 is a schematic top perspective view of a draft sill in a railway car truck in accordance with an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a central draft gear in a railway car truck according to an embodiment of the present invention;

FIG. 6 is a schematic top view of a railway car truck with a central draft gear and secondary suspension assembled in accordance with an embodiment of the present invention;

FIG. 7 is a schematic illustration of the disassembled structure of FIG. 6;

FIG. 8 is a cross-sectional schematic view of a central draft gear coupled to a frame rail in accordance with an embodiment of the present invention;

FIG. 9 is a front view schematically illustrating the construction of the center pin according to the embodiment of the present invention;

FIG. 10 is a perspective view of a center pin according to an embodiment of the present invention;

fig. 11 is a schematic perspective view of a bogie according to an embodiment of the present invention.

Reference numerals:

1: a trailing beam; 101: a rectangular mounting groove; 102: rounding and chamfering;

2: a transverse stop mounting portion; 201: a transverse stop mounting plate; 202: a transverse stop mounting hole;

3: a longitudinal stop; 301: a longitudinal stop block; 302: a stop plane;

4: a vertical stop; 401: a vertical stop boss; 402: a vertical stop mounting hole;

5: a central pin bushing mounting barrel;

6: a traction rubber pile mounting part; 601: a traction rubber pile mounting seat; 602: a traction rubber pile mounting hole;

7: a transverse shock absorber mounting base; 701: a mounting base body; 702: an installation end; 703: a transverse shock absorber mounting hole;

8: a circular arc transition surface;

9: a center pin boss; 10: a center pin; 11: drawing the rubber pile; 12: a vertical stop; 13: a transverse stop; 14: a height adjustment device; 15: a central traction device; 16: an air spring; 17: a transverse damper; 18: hoisting the bolt; 19: a traction rubber pile mounting seat; 20: a cross beam; 21: mounting a boss; 22: a stop boss; 23: a center pin body; 24: a conical table; 25: positioning holes; 26: a sleeve mounting hole; 27: hoisting the bolt hole; 28: an open slot; 29: a side beam; 30: lifting the boss; 31: a longitudinal auxiliary beam; 32: a transverse stop seat; 33: a gearbox reverse thrust rod mounting seat; 34: a sand box mounting seat; 35: a sand box; 36: a sanding pipe support; 37: a hydrodynamic drive cardan shaft; 38: a torque transfer cardan shaft; 40: a first gearbox reverse push rod; 41: the second gearbox reverse push rod.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1 to 2, in a first aspect, a rail vehicle bogie frame (hereinafter simply referred to as frame) according to an embodiment of the present invention includes a pair of side members 29 and a pair of cross members 20 connected between the pair of side members 29, the pair of side members 29 being disposed in parallel with each other, and the pair of cross members 20 being disposed in parallel with each other to constitute a structure similar to an i-shape; the frame of this embodiment also includes two pairs of traction rubber stack mounts 19, a pair of lifting bosses 30 and a pair of longitudinal auxiliary beams 31.

Specifically, each pair of traction rubber pile installation seats 19 is arranged on a pair of cross beams 20 in a one-to-one correspondence manner, that is, each cross beam 20 is provided with two traction rubber pile installation seats 19, two traction rubber pile installation seats 19 on one cross beam 20 are arranged in a one-to-one correspondence manner with two traction rubber pile installation seats 19 on the other cross beam 20, and the two traction rubber pile installation seats 19 in the one-to-one correspondence manner form a pair of traction rubber pile installation seats 19.

Specifically, each lifting boss 30 is arranged on each cross beam 20 at a position between the two traction rubber pile mounting seats 19 and extends towards the direction of the other cross beam 20, so that the whole bogie can be lifted along with the vehicle body, the special boss design simultaneously meets the requirement that the traction rubber piles 11 realize rigid stop of the bogie and the vehicle body under the failure working condition, and the longitudinal dislocation of the bogie and the vehicle body due to the failure of the traction rubber piles 11 is avoided, that is to say, the lifting bosses 30 not only play a role in integral lifting, but also can be used as longitudinal stop.

Specifically, a pair of longitudinal auxiliary beams 31 are arranged between the pair of cross beams 20 and fixedly connected with the inner sides of the side beams 29 on the corresponding sides, both longitudinal ends of each longitudinal auxiliary beam 31 are communicated with the connected cross beam 20, the opposite sides of the pair of longitudinal auxiliary beams 31 are respectively and fixedly connected with a transverse stop seat 32, the longitudinal auxiliary beams 31 are combined with the side plates of the cross beams 20 and the side beams 29 into a whole, the transverse stop interfaces are adapted (the transverse stop seats 32 are convenient to mount), meanwhile, the volume of an air chamber of the cross beam 20 is made up as a part of an additional air chamber, and space is saved for mounting of the central traction device 15 below.

According to an embodiment of the invention, the gearbox counter-thrust rod mounting base 33 is mounted on the opposite sides of the pair of cross beams 20 and is used for mounting gearbox counter-thrust rods (including a first gearbox counter-thrust rod 40 and a second gearbox counter-thrust rod 41 which are described below) so as to adapt to a brand-new gearbox driving form and be arranged for counteracting the counter-thrust generated in the gearbox driving, and the gearbox counter-thrust rod mounting base is light in structure and is suitable for the characteristic that the counter-thrust is only longitudinal force.

Further, a pair of gear box thrust reverser mounts 33 are located opposite one another. The longitudinal two sides of the framework are respectively provided with a wheel pair, the axle of the wheel pair is provided with a gear box which is respectively a driving transmission gear box and a driven transmission gear box, the driving transmission gear box is connected to the power package through a hydraulic transmission cardan shaft 37, namely, the power package transmits power to the driving transmission gear box through the hydraulic transmission cardan shaft 37, the driving transmission gear box is connected to the driven transmission gear box through a torque transmission cardan shaft 38, namely, the driving transmission gear box transmits power to the driven transmission gear box, so that the power transmission of the power package is realized to the bogie, and power is provided for the bogie.

Specifically, a first counter-force seat is arranged on the driving transmission gear box, a second counter-force seat is arranged on the driven transmission gear box, a gear box counter-push rod installation seat close to the driving transmission gear box is connected with the first counter-force seat through a first gear box counter-push rod 40, and a gear box counter-push rod installation seat close to the driven transmission gear box is connected with the second counter-force seat through a second gear box counter-push rod 41, so that counter-thrust generated by the driving transmission gear box and the driven transmission gear box is offset respectively.

The framework of the embodiment solves the problems of installation of a reverse push rod of a power pack gear box, traction of a traction rubber pile, transverse narrow-gauge stop seats, installation of end sand boxes and the like; and the frame is light in weight as a whole.

It should be noted that, in the present embodiment, the "opposite side" and the "opposite side" refer to the opposite beam 20, the opposite side between the pair of beams 20 is referred to as the "opposite side", and the side away from the "opposite side" is referred to as the "opposite side".

According to one embodiment of the present invention, each gearbox thrust reverser mounting seat 33 includes a pair of seat bodies arranged at intervals, one end of each seat body is connected with the cross beam 20 in a matching manner, and the upper surfaces of the other ends of the seat bodies are respectively configured with V-shaped grooves, so that the precise positioning of the gearbox thrust reverser is realized through the V-shaped grooves. Specifically, the one end and the gear box of gear box anti-push rod are connected, the other end is connected with a pair of pedestal, gear box anti-push rod's both ends all are equipped with the hinge hole, wear to be equipped with the articulated shaft in the hinge hole, the both ends of articulated shaft all extend to outside the hinge hole, gear box anti-push rod's both ends all are articulated form, gear box anti-push rod's tip card is between a pair of pedestal, the both ends card of articulated shaft is in V type groove, and utilize the connecting piece to fix the articulated shaft in V type groove, correspondingly, gear box anti-push rod can adopt similar mode of setting with the one.

According to one embodiment of the present invention, the two side members 29 are each provided with a flask mounting seat 34 on the outer side surface at both ends thereof. The reinforcing ribs at the rear part of the sand box mounting seat 34 are combined to realize three-point support of the sand box, and a lightweight structure is realized on the premise of ensuring the stability of the mounting structure, so that the structure is not only suitable for mounting the sand box 35, but also suitable for mounting other components needing side mounting of the side beam 29. The sand box 35 and the sanding pipe are integrated, the space required by the installation of an off-vehicle pipeline and the sand box 35 is reduced, the cantilever of the sanding pipe is long, the new-structure sanding pipe support 36 is used for effectively meeting the requirement of fixing the large-size sanding pipe, the transverse rigidity of the sanding pipe support 36 is increased according to the characteristic that the transverse vibration of the bogie is large, the problem that the sanding pipe support 36 fails due to the transverse vibration in operation is avoided, and the conventional installation mode of the sand box 35 is specially arranged for adapting to the characteristic that the transverse vibration is large.

According to an embodiment of the invention, in order to facilitate reliable installation of the traction rubber piles, the end face of each traction rubber pile installation seat 19 for installing the traction rubber piles is provided with a groove matched with the shape and size of the end face of the traction rubber pile, and the end face bottom plate of the traction rubber pile is provided with a protrusion, so that a central hole is formed in the bottom of the groove, the protrusion can conveniently extend into the central hole, and reliable positioning is realized.

In a second aspect, the present embodiment provides a bogie, as shown in fig. 3 to 11, comprising the above-mentioned frame and a central traction device 15 mounted on the frame, wherein the central traction device 15 is mounted on the frame between two cross beams, most of the structure of the central traction device 15 is located above the cross beams, and only a small part of the structure extends from the gap between the cross beams to below the cross beams, specifically, as shown in fig. 5, the central traction device 15 comprises a traction beam assembly, a center pin assembly and a traction rubber pile 11.

Specifically, the draft sill is constituteed including draft sill 1, two horizontal backstop installation departments 2, two vertical backstop portions 3, two vertical backstop portions 4 and two traction rubber heap installation departments 6, and two horizontal backstop installation departments 2 correspond to be installed in the both ends that draft sill 1 extends along length direction, promptly, through setting up horizontal backstop installation department 2 respectively at both ends about draft sill 1 extends along length direction for install horizontal backstop 13 respectively at both ends about draft sill 1.

Two longitudinal stoppers 3 are correspondingly mounted on two sides of the draft sill 1 in the thickness direction, that is, the longitudinal stoppers 3 are respectively disposed on the front and rear sides of the draft sill 1 extending in the thickness direction, and can be used as longitudinal stoppers of the bogie. The two longitudinal stopping parts are respectively positioned above the lifting lug bosses 30 on the corresponding sides, and a gap is reserved between the two longitudinal stopping parts, so that under the unexpected condition that the traction rubber pile fails, the longitudinal stopping parts are in contact with the lifting lug bosses 30, the longitudinal stopping effect on the traction beam is achieved, and the danger that the traction beam falls off is avoided.

Wherein, two vertical backstop portions 4 correspond and install in the both sides of draw beam 1 along thickness direction, and each vertical backstop portion 4 corresponds and sets up in the below of each vertical backstop portion 3, preferably under, that is, set up vertical backstop portion 4 respectively through both sides around draw beam 1 extends along thickness direction, can be used for installing vertical backstop 12 on the one hand, and on the other hand can be used for fixing a position when pulling rubber stack 11 equipment.

The transverse shock absorber 17, the transverse stopping block 13 and the vertical stopping block 12 are integrated on the traction beam 1, and the integrity of the traction beam 1 is realized. The structure of the traction beam 1 is more compact and reasonable, and the installation space is greatly reduced.

The two traction rubber pile mounting parts 6 are respectively arranged on the traction beam 1 between the central hole of the traction beam 1 and the transverse stopping mounting part 2, and traction rubber piles 11 are respectively mounted on two opposite sides of each traction rubber pile mounting part 6; the traction beam 1 is connected with the bogie through the traction rubber pile 11, so that a traction pull rod can be omitted from the central traction device 15, the traction rubber pile 11 is adopted to transfer longitudinal load, the distance from the existing traction type to the installation surface of the vehicle body center pin is greatly reduced compared with the original traction beam, and the traction torque borne by the center pin is effectively reduced; the connecting mode of the traction beam 1 and the framework is simplified, so that the structure is more compact, and the weight is reduced.

Further, the central pin assembly is arranged at the upper part of the traction beam 1, and specifically, a central pin sleeve is pressed in a central hole of the traction beam 1; the center pin assembly comprises a center pin 10 and a center pin seat 9, wherein the center pin 10 is pressed in a center hole of the center pin seat 9 and extends into the center pin sleeve to be fixedly connected with the center pin sleeve.

The central traction device 15 with the structure can simultaneously meet the requirements of multifunctional mounting interfaces of the bogie and the requirements of space limitation areas of the bogie, and the difficulty of layout of the traction beam 1 during bogie construction is reduced.

According to an embodiment of the invention, the draft sill assembly further comprises a center pin bushing installation cylinder 5 arranged in a center hole of the draft sill 1, the center pin bushing installation cylinder 5 penetrates through two side faces of the draft sill 1 along the height direction, the axial direction of the center pin bushing installation cylinder 5 is perpendicular to the length extension direction of the draft sill 1, and a center pin bushing is fixedly connected in the center pin bushing installation cylinder 5. That is, as shown in fig. 3 and 4, the center pin bush mounting tube 5 penetrates through the upper and lower side surfaces of the draft sill 1, and the center pin bush mounting tube 5 is provided at an intermediate position of the draft sill 1. The central pin sleeve mounting barrel 5 is arranged on the traction beam 1 and used for realizing the integrated mounting of the central pin sleeve on the traction beam 1, so that the traction beam 1 is not required to be provided with a traction pull rod seat, and the structure of the traction beam 1 is further optimized.

Specifically, the center pin bush mounting cylinder 5 has a circular cross section, that is, the center pin bush mounting cylinder 5 has a cylindrical structure with both ends open.

Specifically, the two transverse stop mounting portions 2 are symmetrically arranged on two opposite sides of the central pin bush mounting barrel 5, and a central connecting line of the two transverse stop mounting portions 2 is perpendicularly intersected with an axis of the central pin bush mounting barrel 5. The two longitudinal stopping parts 3 are symmetrically arranged on two opposite sides of the central pin bush mounting barrel 5, the central connecting line of the two longitudinal stopping parts 3 is vertically crossed with the axis of the central pin bush mounting barrel 5, and the central connecting line of the two longitudinal stopping parts 3 is mutually vertical to the central connecting line of the two transverse stopping mounting parts 2. The two vertical stopping parts 4 are symmetrically arranged on two opposite sides of the central pin bush mounting barrel 5, the central connecting line of the two vertical stopping parts 4 is vertically crossed with the axis of the central pin bush mounting barrel 5, and the central connecting line of the two vertical stopping parts 4 is parallel to the central connecting line of the two longitudinal stopping parts 3.

In this embodiment, the two traction rubber pile mounting portions 6 are symmetrically disposed on opposite sides of the center pin bush mounting tube 5. That is, as shown in fig. 3 and 4, two traction rubber pad mounting portions 6 are symmetrically provided on both left and right sides of the center pin bush mounting tube 5. Two traction rubber pile installation parts 6 are arranged for installing the traction rubber pile 11.

According to one embodiment of the invention, the traction beam 1 is respectively configured with rectangular mounting grooves 101 corresponding to the traction rubber piles 11 one by one at two opposite sides corresponding to each traction rubber pile mounting part 6; the traction rubber pile mounting part 6 comprises a traction rubber pile mounting plate 601 arranged in the rectangular mounting groove 101, a traction rubber pile mounting hole 602 is formed in the center of the traction rubber pile mounting plate 601, and the traction rubber pile mounting hole 602 penetrates through the traction rubber pile mounting plate 601; the rectangular mounting groove 101 is arranged on the traction beam 1 and is used for positioning a bottom plate component of the traction rubber pile 11, and correspondingly, the end part of the bottom plate component is rectangular, and the center of the end part of the bottom plate component is provided with a convex cylindrical boss; through setting up rectangle mounting groove 101, can be so that can not appear the condition around axial rotation after pulling rubber heap 11 installation, also have better location effect promptly. The center of the traction rubber pile mounting plate 601 is provided with a traction rubber pile mounting hole 602, wherein the traction rubber pile mounting hole 602 is a round hole and is used for being matched and mounted with a cylindrical boss of the traction rubber pile 11, and the functions of fastening and positioning are achieved.

Specifically, the corners of the rectangular mounting groove 101 are respectively provided with a round chamfer 102, so that the processing is convenient, and the stress concentration is reduced.

According to one embodiment of the invention, the lower side surface of the traction beam 1 is provided with a transverse shock absorber mounting seat 7 for mounting a transverse shock absorber 17, the transverse shock absorber mounting seat 7 is arranged below one traction rubber pile mounting part 6, a transverse shock absorber connecting seat is arranged below a side beam 29 close to the transverse shock absorber mounting seat 7, one end of the transverse shock absorber is connected with the transverse shock absorber mounting seat, and the other end of the transverse shock absorber is connected with the transverse shock absorber connecting seat; the transverse damper mounting seat 7 is arranged on the draft sill 1 and used for achieving integrated mounting of the transverse damper 17 on the draft sill 1.

Specifically, the transverse shock absorber mounting seat 7 comprises a mounting seat body 701 and two mounting ends, the mounting seat body 701 is connected with the traction beam 1, and the upper ends of the two mounting ends are respectively and correspondingly connected with the two ends of the mounting seat body 701, so that a U-shaped structure with a downward opening is formed between the mounting seat body 701 and the two mounting ends; each mounting end is provided with a transverse shock absorber mounting hole 703, and the axial direction of the transverse shock absorber mounting hole 703 is parallel to the length direction of the draft sill 1. Each mounting end is provided with a transverse damper mounting hole 703, and the axial direction of the transverse damper mounting hole 703 is parallel to the length extension direction of the draft sill 1. That is, the transverse damper mounting seat 7 is configured to have a U-shaped structure with a downward opening, and the transverse damper mounting holes 703 are respectively formed at each mounting end, so that the transverse damper 17 can be conveniently assembled and fixed on the draft sill 1.

According to one embodiment of the present invention, each lateral stop mounting portion 2 includes a lateral stop mounting plate 201 disposed vertically, and the two lateral stop mounting plates 201 are parallel to each other; a plurality of transverse stopping mounting holes 202 are respectively formed in each transverse stopping mounting plate 201, each transverse stopping mounting hole 202 is arranged at intervals along the height direction of the traction beam 1, the axis of each transverse stopping mounting hole 202 is parallel to the length direction of the traction beam 1, and the transverse stopping 13 is connected with the transverse stopping mounting holes 202; wherein, the transverse stop mounting holes 202 can adopt bolt holes, thereby facilitating the installation of the transverse stop 13 device on the transverse stop mounting plate 201 through bolts.

Each longitudinal stopping portion 3 comprises a longitudinal stopping block 301, one end of each longitudinal stopping block 301, which is back to the traction beam 1, is a stopping plane 302 which is vertically arranged, and the two stopping planes 302 are parallel to each other; wherein, a connecting line between the centers of the two stopping planes 302 is perpendicular to the length direction of the towing beam 1. Wherein the stop plane 302 of each longitudinal stop block 301 serves as a longitudinal stop for the bogie.

Each vertical backstop portion 4 all includes vertical backstop boss 401, and each vertical backstop boss 401 is equipped with a plurality of vertical backstop mounting holes 402 respectively, and each vertical backstop mounting hole 402 sets up along the length direction interval of draft sill 1, and the axis of each vertical backstop mounting hole 402 and the length direction mutually perpendicular of draft sill 1, and vertical backstop 12 is connected with vertical backstop mounting hole 402 to be convenient for vertical backstop 12 installation fixed.

An arc transition surface 8 is arranged between each vertical stopping portion 4 and each corresponding longitudinal stopping portion 3. Namely, the two corresponding longitudinal stoppers 3 are in transitional connection with the vertical stopper 4 through the arc surface. This arrangement facilitates the assembly of the shim plate and the adjusting shim on the vertical stop 4.

According to an embodiment of the present invention, as shown in fig. 9 and 10, the center pin 10 specifically includes:

the center pin 10 mainly comprises a center pin body 23, and a lifting bolt hole 27 is arranged in the axial direction of the center pin body 23.

A section of mounting boss 21 is configured at one axial end of the center pin body 23, that is, the mounting boss 21 extends towards one axial end of the center pin body 23, the mounting boss 21 is used for positioning and connecting the center pin 10 with a car body sleeper beam, a stopping boss 22 is configured at the periphery of the connecting part of the mounting boss 21 and the center pin body 23, the outer diameter of the stopping boss 22 is larger than that of the mounting boss 21 to play a role in stopping and positioning, a conical table 24 is configured at the other axial end of the center pin body 23, that is, the conical table 24 extends towards the other axial end of the center pin body 23, and the extending directions of the mounting boss 21 and the conical table 24 are opposite; the large end of the conical table 24 is connected with the center pin body 23 in a matching manner, so that the diameter of the large end of the conical table 24 is equal to that of the center pin body 23, and a step is avoided at the connection position; the small end of the conical table 24 extends towards the direction far away from the center pin body 23 to form a structure with a conical end, so that the installation is convenient, and the connection is reliable.

The lifting bolt holes 27 penetrate through the mounting bosses 21, the stopper bosses 22, the center pin body 23, and the tapered table 24 in the axial direction, and are used for the lifting bolts 18 to penetrate through, so that the lifting bolts are connected to the center pin 10, and the weight is reduced by the lifting bolt holes 27.

In one embodiment, the mounting boss 21 is provided with a sleeve mounting hole 26 extending along the axial direction for mounting a positioning sleeve; the center pin 10 is internally provided with a positioning sleeve hole and a lifting bolt hole 27, so that the multipurpose part is realized on the premise of ensuring the strength, and the structure is simple and compact.

Specifically, the sleeve mounting hole 26 is coaxial and communicated with the hoisting bolt hole 27, the aperture of the sleeve mounting hole 26 is larger than that of the hoisting bolt hole 27 to form a countersunk hole shape with a large end and a small end, the hoisting bolt 18 penetrates through the hoisting bolt hole 27 firstly, after connection, a positioning sleeve is mounted in the sleeve mounting hole 26, and the mounting boss 21 is connected with the car body sleeper beam in a positioning manner through the positioning sleeve.

According to one embodiment of the present invention, the outer end surface of the mounting boss 21 is provided with a pair of positioning holes 25 symmetrically with respect to the axis of the mounting boss 21, which facilitates the attachment and detachment of the connector.

According to an embodiment of the present invention, the periphery of the tapered platform 24 at the small end is provided with a pair of opposite open grooves 28, and the open grooves 28 are communicated with the small end. The open slot 28 is used for installing a wedge block to ensure that the center pin 10 is installed and fastened with a center pin sleeve formed on the center pin base 9, an axial through hole of the center pin sleeve is a center hole of the center pin base 9, an opening of the open slot 28 faces a direction perpendicular to an axis of the center pin body 23, a groove is also formed in a corresponding position of the center pin sleeve, and the center pin 10 is connected with the center pin sleeve in a positioning mode by inserting the wedge block into a space, opposite to the open slot 28 of the center pin 10, of the groove of the center pin sleeve.

It will be appreciated that the wedge blocks are installed by being inserted into the slots 28 from the bottom up.

In order to balance the forces on both sides of the center pin 10, according to one embodiment of the present invention, a pair of open grooves 28 are symmetrically disposed about the axis of the tapered table 24.

According to one embodiment of the present invention, the mounting boss 21, the stopper boss 22, the center pin body 23, and the tapered table 24 are integrally forged; convenient processing and reliable strength.

In order to optimize the structure and facilitate the manufacture and installation, according to an embodiment of the present invention, the installation boss 21 is a cylindrical boss, the center pin body 23 is a cylindrical shaft, when the center pin 10 is connected with the center pin base 9, the cylindrical shaft is in interference fit with the center hole of the center pin base 9 to realize a fastening connection and avoid loosening, the tapered platform 24 is in a smooth transition connection with the cylindrical shaft, that is, a smooth transition connection surface is formed at the connection position, so that the center pin 10 can be smoothly inserted into the center hole of the center pin base 9 from one end of the tapered platform 24.

According to an embodiment of the invention, the lifting device comprises a lifting bolt 18, a positioning sleeve and a gland, wherein the lower end of the lifting bolt 18 is provided with a thread, the gland is provided with a threaded hole, the gland is installed at the lower end of the center pin bush, the positioning sleeve is installed in the sleeve installation hole 26, the lifting bolt 18 penetrates through a lifting bolt hole 27 of the center pin 10 from top to bottom to be in threaded fit connection with the gland, and the upper end of the lifting bolt 18 penetrates through the positioning sleeve and is connected with the positioning sleeve through a connecting piece. The integral lifting of the truck body and the bogie can be realized by arranging the lifting bolt 18 penetrating through the center pin 10 and combining the vertical stop 12. The lifting bolt 18 is convenient to install from the observation hole of the bottom plate in the vehicle, the operation process and environment of falling of the vehicle are improved, and the condition that the universal shaft at the gear box is detached when the central traction device 15 is maintained is avoided.

Furthermore, the hoisting device also comprises a belleville spring gasket and a gland bolt, the gland is connected with the central pin sleeve through a plurality of gland bolts, and the belleville spring gasket is arranged at the connecting position of the hoisting bolt and the positioning sleeve and plays a role in fastening connection; in order to adjust the gap between the gland and the bottom of the traction beam 1, an adjusting pad is arranged at the contact position of the gland and the bottom surface of the central pin bush, and holes corresponding to a bolt hole at the bottom of the central pin bush and a pin shaft hole (namely a hoisting bolt hole 27) are arranged on the adjusting pad; in order to prevent the gland bolts from loosening caused by vibration, the gland bolts adopt steel wires for loosening prevention, and every two gland bolts are connected together; the locating sleeve is a forged piece, one end of the locating sleeve is of a conical structure, an internal thread is arranged at the large end of the locating sleeve and used for installing a process bolt, the locating sleeve is convenient to pull out, the locating sleeve is pressed in the installation boss 21 at the head of the center pin 10, the purpose of setting the locating sleeve is that the hoisting bolt 18 is convenient to install on one hand, the hoisting bolt 18 is prevented from damaging the center pin 10 on the other hand, and the service life of the center pin 10 is prolonged.

As shown in fig. 6 and 7, the secondary suspension is provided with two transverse stops 13 and two height adjusting devices 14, and the transverse stops 13 are symmetrically arranged on two sides of the towing beam 1; the secondary suspension is also provided with a transverse shock absorber 17, one end of the transverse shock absorber 17 is connected to the bottom of the framework side beam 29, the other end of the transverse shock absorber 17 is connected to a shock absorber mounting seat at the bottom of the traction beam 1, and the transverse shock absorber 17 can absorb transverse impact and vibration between a vehicle body and a bogie, so that the transverse comfort of vehicle operation is improved; the vertical backstop 12 is arranged between the bottom of the traction beam 1 and the frame, the vertical backstop 12 structurally comprises an upper boss of the traction beam, a base plate and adjusting gaskets with various thickness specifications, and the gap between the vertical backstop 12 and the boss at the cross beam 20 of the frame can be adjusted by adjusting the quantity of the gaskets; the vertical stopping block 12 plays a lifting function when being integrally lifted, so that the vertical stopping block 12 is ensured to have enough strength through continuous structural optimization during design; the vertical stop 12 can prevent the air spring 16 from being overcharged in the running process of the vehicle, and plays a role in positioning in the process of assembling the traction rubber stack 11 on the traction beam 1, so that the installation is convenient. After the wheel is worn, the height of the bottom plate surface is ensured by arranging adjusting pads at the bottom of the air spring 16 and the top of the central pin seat 9.

The draft sill 1 of the embodiment is connected with a bogie through the draft rubber pile 11, so that the central draft gear 15 can be used for eliminating a draft pull rod, and the draft rubber pile 11 is used for transferring longitudinal load, thereby simplifying the connection mode of the draft sill 1 and a framework, leading the structure to be more compact and reducing the weight. The bogie of the embodiment has the advantages of compact structure, convenience in installation and maintenance and stronger small curve passing capacity.

In a third aspect, a rail vehicle according to an embodiment of the present invention is provided with a frame or bogie as described above, which has all the advantages of the frame or bogie and will not be described in detail herein.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. A railway vehicle bogie frame comprises a pair of side beams and a pair of cross beams connected between the side beams, and is characterized by further comprising two pairs of traction rubber pile mounting seats, a pair of lifting bosses and a pair of longitudinal auxiliary beams; every to pull the rubber and pile the mount pad one-to-one and locate a pair of on the crossbeam, every lift by crane the boss and locate every on the crossbeam be located two pull the position between the rubber and pile the mount pad and extend towards another crossbeam place direction, a pair of vertical auxiliary beam is located a pair of between the crossbeam and with the corresponding side the curb girder inboard all fixed connection, every vertical both ends of vertical auxiliary beam all with continuous the crossbeam intercommunication, a pair of the opposite side of vertical auxiliary beam is the rigid coupling respectively has horizontal backstop seat.

2. The railway vehicle truck frame of claim 1, further comprising a pair of gearbox thrust reverser mounts mounted to opposite sides of a pair of the cross beams, the pair of gearbox thrust reverser mounts being positioned opposite.

3. The railway vehicle bogie frame of claim 2, wherein each gearbox counterpush rod mounting seat comprises a pair of seat bodies arranged at intervals, one end of each seat body is in matched connection with the cross beam, and the upper surfaces of the other ends of the seat bodies are respectively configured with a V-shaped groove.

4. The railway vehicle truck frame as in claim 1, wherein each of the side beams has a flask mounting seat on each of two outer side surfaces thereof.

5. The railway vehicle bogie frame of claim 1, wherein the end face of each traction rubber pile mounting seat for mounting a traction rubber pile is configured with a groove matching the shape and size of the end face of the traction rubber pile, and the groove bottom of the groove is configured with a central hole.

6. A railway vehicle bogie comprising a frame, characterized in that the frame is a railway vehicle bogie frame according to any one of claims 1-5, further comprising a central traction device mounted on the frame; the central traction device comprises a traction beam assembly, a central pin assembly and a traction rubber pile; the traction beam assembly comprises a traction beam, two transverse stopping installation parts, two longitudinal stopping parts, two vertical stopping parts and two traction rubber pile installation parts, wherein the two transverse stopping installation parts are correspondingly installed at two ends of the traction beam extending along the length direction and used for installing transverse stopping parts, and a pair of transverse stopping parts are located between a pair of transverse stopping seats; the two longitudinal stopping parts are correspondingly arranged on two sides of the traction beam along the thickness direction, the two longitudinal stopping parts are respectively positioned above the lifting lug bosses on the corresponding sides, and a gap is reserved between the two longitudinal stopping parts; the two vertical stopping parts are correspondingly arranged at two sides of the traction beam along the thickness direction, and each vertical stopping part is correspondingly arranged below each longitudinal stopping part and used for installing a vertical stopping part; the two traction rubber pile mounting parts are respectively arranged on the traction beam between the central hole of the traction beam and the transverse stopping mounting part, the traction rubber piles are mounted on two opposite sides of each traction rubber pile mounting part, and one end, facing the cross beam, of each traction rubber pile is connected with the traction rubber pile mounting seat;

a central pin bush is pressed in a central hole of the traction beam;

7. The railway vehicle bogie of claim 6, wherein the draft sill assembly further comprises a center pin bushing installation cylinder disposed in a center hole of the draft sill, the center pin bushing installation cylinder penetrates through both side surfaces of the draft sill in the height direction, the axis direction of the center pin bushing installation cylinder is perpendicular to the length extension direction of the draft sill, and the center pin bushing is fixedly connected in the center pin bushing installation cylinder;

8. The railway vehicle bogie of claim 7, wherein the draft sill is configured with rectangular mounting slots corresponding one-to-one to the draft rubber piles at opposite sides corresponding to each draft rubber pile mounting portion, respectively; the traction rubber pile mounting part comprises a traction rubber pile mounting plate arranged in the rectangular mounting groove, a traction rubber pile mounting hole is formed in the center of the traction rubber pile mounting plate, and the traction rubber pile mounting hole penetrates through the traction rubber pile mounting plate; each corner of the rectangular mounting groove is respectively provided with a round chamfer;

9. The railway vehicle truck of claim 7, wherein the kingpin comprises:

10. The railway vehicle bogie of claim 9, wherein the outer end face of the mounting boss is provided with a pair of positioning holes symmetrically about the axis of the mounting boss; a pair of open grooves which are oppositely arranged are formed in the periphery of the small end of the conical table, and the open grooves are communicated with the small end;

11. A rail vehicle, characterized in that a rail vehicle bogie frame according to any of claims 1-5 or a bogie according to any of claims 6-10 is mounted.